With this innovative handheld audio accessory you can enjoy a comfortable and easy calling experience. The person you are talking to will experience clear voice audio during the call. When a call comes in via your smartphone, you can see whos calling in the SBH52 display. Press once to answer. You can use the SBH52 to view recent calls and call again directly. Move around freely and leave your phone in your pocket, bag or anywhere within Bluetooth range (up to 10 metres). For handsfree calling experience, connect headphones (supplied in kit). Pairing and connecting has never been easier. Touch the back of your phone to the back on Smart Bluetooth Headset to start up and connect. Multiple connectivity is offered. Compatible with Android. Up to 383 hours standby time. 480 mins talktime. Noise cancelling technology. Bluetooth version 3.